void Ex07()
{
Given("an assertion that has 'items.Length == 2 && items[0] == 1 && items[1] == 2' where items = new[] { 1 }", () =>
{
var items = new[] { 1 };
Assertion = () => items.Length == 2 && items[0] == 1 && items[1] == 2;
});
Expect($@"the description should be as follows:
[failed]
Expected: 2
But was : 1
[passed]
[failed]
Expected: 2
But was : throwing an exception ({IndexOutOfRangeExceptionMessage})
",
() => AssertionDescription.Of(Assertion).ToString() == $@"
[failed]
Expected: 2
But was : 1
[passed]
[failed]
Expected: 2
But was : throwing an exception ({IndexOutOfRangeExceptionMessage})");
}
void Ex13()
{
Given("an assertion that has 'x == 3 && y == 5 && z == 7 && u == 9' where x = 5; y = 5; z == 7; u == 7", () =>
{ var x = 5; var y = 5; var z = 7; var u = 7; Assertion = () => x == 3 && y == 5 && z == 7 && u == 9; }
);
Expect(
@"the description should be as follows:
[failed]
Expected: 3
But was : 5
[passed]
[passed]
[failed]
Expected: 9
But was : 7
",
() => AssertionDescription.Of(Assertion).ToString() == @"
[failed]
Expected: 3
But was : 5
[passed]
[passed]
[failed]
Expected: 9
But was : 7"
);
}
void Ex04()
{
Given("an assertion that has 'Equals((x: 3, y: 3), Expected)'", () => Assertion = () => Equals(new TestAssertion(3, 3), Expected));
Expect(
@"the description should be as follows:
Expected: {X: 5, Y: 3}
But was : {X: 3, Y: 3}",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: {X: 5, Y: 3}
But was : {X: 3, Y: 3}"
);
}
void Ex02()
{
Given("an assertion that has '(x: 5, y: 3) != Expected'", () => Assertion = () => new TestAssertion(5, 3) != Expected);
Expect(
@"the description should be as follows:
Expected: not {X: 5, Y: 3}
But was : {X: 5, Y: 3}",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: not {X: 5, Y: 3}
But was : {X: 5, Y: 3}"
);
}
void Ex06()
{
Given("an assertion that has 'Equals(x, s.Length)' where x = 3, s = null", () => { var x = 3; var s = (string?)null; Assertion = () => Equals(x, s.Length); });
Expect(
$@"the description should be as follows:
Expected: an exception occurred ({NullReferenceExceptionMessage})
But was : 3",
() => AssertionDescription.Of(Assertion).ToString() == $@"Expected: an exception occurred ({NullReferenceExceptionMessage})
But was : 3"
);
}
void Ex05()
{
Given("an assertion that has 'Equals(x.Length, 3)' where x = null", () => { var x = (string?)null; Assertion = () => Equals(x.Length, 3); });
Expect(
$@"the description should be as follows:
Expected: 3
But was : throwing an exception ({NullReferenceExceptionMessage})'",
() => AssertionDescription.Of(Assertion).ToString() == $@"Expected: 3
But was : throwing an exception ({NullReferenceExceptionMessage})"
);
}
void Ex10()
{
Given("an assertion that has 'Equals(x, 3)' where x = 5", () => { var x = 5; Assertion = () => Equals(x, 3); });
Expect(
@"the description should be as follows:
Expected: 3
But was : 5",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: 3
But was : 5"
);
}
void Ex11()
{
Given("an assertion that has 'x == \"3\"' where x = null", () => { var x = (string?)null; Assertion = () => x == "3"; });
Expect(
@"the description should be as follows:
Expected: 3
But was : null",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: 3
But was : null"
);
}
void Ex07()
{
Given("an assertion that has 'x > 7' where x = 5", () => { var x = 5; Assertion = () => x > 7; });
Expect(
@"the description should be as follows:
Expected: greater than 7
But was : 5",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: greater than 7
But was : 5"
);
}
void Ex06()
{
Given("an assertion that has 'x <= 2' where x = 5", () => { var x = 5; Assertion = () => x <= 2; });
Expect(
@"the description should be as follows:
Expected: less than or equal 2
But was : 5",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: less than or equal 2
But was : 5"
);
}
void Ex02()
{
Given("an assertion that has '!x' where x = true", () => { var x = true; Assertion = () => !x; });
Expect(
@"the description should be as follows:
Expected: False
But was : True",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: False
But was : True"
);
}
void Ex04()
{
Given("an assertion that has 'x != 5' where x = 5", () => { var x = 5; Assertion = () => x != 5; });
Expect(
@"the description should be as follows:
Expected: not 5
But was : 5",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: not 5
But was : 5"
);
}
void Ex01()
{
Given("an assertion", () => { var x = false; Assertion = () => x; });
Expect(
@"the description should be as follows:
Expected: True
But was : False",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: True
But was : False"
);
}
void Ex14()
{
Given("an assertion that has 'x.SequenceEqual(y)' where x = [1, 2, 3], y = [3, 4]", () =>
{ var x = new[] { 1, 2, 3 }; var y = new[] { 3, 4 }; Assertion = () => x.SequenceEqual(y); }
);
Expect(
@"the description should be as follows:
Expected: [3, 4]
But was : [1, 2, 3]",
() => AssertionDescription.Of(Assertion).ToString() == @"Expected: [3, 4]
But was : [1, 2, 3]"
);
}
void Ex12()
{
Given("an assertion that has 'x == 3 && y == 5' where x = 5; y = 5", () => { var x = 5; var y = 5; Assertion = () => x == 3 && y == 5; });
Expect(
@"the description should be as follows:
[failed]
Expected: 3
But was : 5
[passed]
",
() => AssertionDescription.Of(Assertion).ToString() == @"
[failed]
Expected: 3
But was : 5
[passed]"
);
}
private static void ExecuteAssertion(this FixtureStep @this, LambdaExpression expression, Func <bool> assertion, Exception?exception = null)
{
bool result;
try
{
result = assertion();
}
catch (Exception exc)
{
throw new AssertionException(@this, exc);
}
if (!result)
{
throw new AssertionException(@this, AssertionDescription.Of(expression, exception));
}
}
void Ex08()
{
Given("an assertion that has 'items.Length == 2 && items[0] == s.Length && items[1] == 2' where items = new[] { 1, 2 }, s = null", () =>
{
var items = new[] { 1, 2 };
var s = (string?)null;
Assertion = () => items.Length == 2 && items[0] == s.Length && items[1] == 2;
});
Expect($@"the description should be as follows:
[passed]
[failed]
Expected: an exception occurred ({NullReferenceExceptionMessage})
But was : 1
[passed]
",
() => AssertionDescription.Of(Assertion).ToString() == $@"
[passed]
[failed]
Expected: an exception occurred ({NullReferenceExceptionMessage})
But was : 1
[passed]");
}
/// <summary>
/// Initializes a new instance of the <see cref="AssertionException"/> class
/// with the specified fixture step and assertion description.
/// </summary>
/// <param name="step">The fixture step when the assertion was failed.</param>
/// <param name="description">The assertion description when the assertion was failed.</param>
public AssertionException(FixtureStep step, AssertionDescription description) : base($"{step.Description}{Environment.NewLine}{description}")
{
StackTrace = CreateStackTrace(step);
}
